* Re: WARNING in percpu_ref_exit (2) [not found] <000000000000b09d8c059a3240be@google.com> @ 2019-12-21 8:43 ` syzbot 2020-11-11 3:09 ` syzbot 1 sibling, 0 replies; 2+ messages in thread From: syzbot @ 2019-12-21 8:43 UTC (permalink / raw) To: axboe, io-uring, linux-block, linux-fsdevel, linux-kernel, syzkaller-bugs, viro syzbot has bisected this bug to: commit cbb537634780172137459dead490d668d437ef4d Author: Jens Axboe <axboe@kernel.dk> Date: Mon Dec 9 18:22:50 2019 +0000 io_uring: avoid ring quiesce for fixed file set unregister and update bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1118aac1e00000 start commit: 7ddd09fc Add linux-next specific files for 20191220 git tree: linux-next final crash: https://syzkaller.appspot.com/x/report.txt?x=1318aac1e00000 console output: https://syzkaller.appspot.com/x/log.txt?x=1518aac1e00000 kernel config: https://syzkaller.appspot.com/x/.config?x=f183b01c3088afc6 dashboard link: https://syzkaller.appspot.com/bug?extid=8c4a14856e657b43487c syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14b8f351e00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14b51925e00000 Reported-by: syzbot+8c4a14856e657b43487c@syzkaller.appspotmail.com Fixes: cbb537634780 ("io_uring: avoid ring quiesce for fixed file set unregister and update") For information about bisection process see: https://goo.gl/tpsmEJ#bisection ^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: WARNING in percpu_ref_exit (2) [not found] <000000000000b09d8c059a3240be@google.com> 2019-12-21 8:43 ` WARNING in percpu_ref_exit (2) syzbot @ 2020-11-11 3:09 ` syzbot 1 sibling, 0 replies; 2+ messages in thread From: syzbot @ 2020-11-11 3:09 UTC (permalink / raw) To: axboe, ebiggers, hdanton, io-uring, linux-block, linux-fsdevel, linux-kernel, paulmck, syzkaller-bugs, viro syzbot suspects this issue was fixed by commit: commit c1e2148f8ecb26863b899d402a823dab8e26efd1 Author: Jens Axboe <axboe@kernel.dk> Date: Wed Mar 4 14:25:50 2020 +0000 io_uring: free fixed_file_data after RCU grace period bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=161ea46e500000 start commit: 63849c8f Merge tag 'linux-kselftest-5.6-rc5' of git://git... git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=4527d1e2fb19fd5c dashboard link: https://syzkaller.appspot.com/bug?extid=8c4a14856e657b43487c syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13c30061e00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1251b731e00000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: io_uring: free fixed_file_data after RCU grace period For information about bisection process see: https://goo.gl/tpsmEJ#bisection ^ permalink raw reply [flat|nested] 2+ messages in thread
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2019-12-21 8:43 ` WARNING in percpu_ref_exit (2) syzbot
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